越南采购需求：珐琅别针、定制别针、别针、翻领别针、挑战币、魅力别针

I'm interested in exploring more about your product offerings, specifically regarding some of the details that I believe will help us in our decision-making process. Could you provide insights into the materials used, available specifications, and any potential customization options? Additionally, I'm keen to know about the lead times for production and any bulk order pricing you might have. It would also be great to discuss the quality assurance measures you have in place and any certifications that your products hold. This information will be crucial for us to understand how your products align with our requirements. Looking forward to your response so we can delve deeper into this discussion!